It’s 1 to 12 (Official clock system).

11:59

It’s 1 to 12.

Correct answer

12:00

It’s 12 o’clock.

Error: 1 minute later

10:49

It’s 11 to 11.

Error: read minutes starting from hour markings and adding minutes

12:55

It’s 5 to 1.

Error: confuse hour and minute hands